Pierre Taki

Five years after the all-out war between the Sanno and Hanabishi crime families, former yakuza boss Otomo works in South Korea for Mr. Chang, a noted fixer. When tensions rise between Chang and the Hanabishi, and Chang's life is endangered, Otomo returns to Japan to settle things once and for all.

When a disgraced livestreamer discovers a trove of rare vintage denim in a Colorado mine, he follows it to Tokyo and straight into the arms of a woman who may be using him. Caught between desire and betrayal, he soon finds himself entangled in black-market turf wars, yakuza, and a past that refuses to stay buried.

100 years ago, titans suddenly appeared on Earth. Soon, human civilization veered on collapse due to the titans. Humans then built a giant wall to defend themselves. Within the giant walls, humans lived in peace, but, 100 years later, the giant wall is broken.